{"product_id":"simplex-4098-9685-2-wire-duct-detector","title":"Simplex 4098-9685 2-Wire Duct Detector","description":"\u003cp\u003eThe Simplex 4098-9685 is a two-wire TrueAlarm duct detector housing (no relay) for basic smoke detection in HVAC ducts. It operates on IDC (18–32 VDC) and uses sampling tubes sized to the duct width, ordered separately.\u003c\/p\u003e\n\u003cp\u003eKey Specifications:\u003cbr\u003eType: 2-wire duct smoke detector housing with TrueAlarm photoelectric head; no remote relay\u003cbr\u003ePower: 18–32 VDC from the initiating device circuit (IDC)\u003cbr\u003eStatus\/Testing: Multi-function LED (normal\/alarm); magnetic test access\u003cbr\u003eWiring: Terminals accept #18–#12 AWG conductors\u003c\/p\u003e\n\u003cp\u003eCompatible Remote Modules (ordered separately):\u003cbr\u003e4098-9830 – Remote red alarm LED\u003cbr\u003e4098-9834 – Remote test station with keyswitch + red alarm LED\u003c\/p\u003e\n\u003cp\u003eSampling Tubes (ordered separately):\u003cbr\u003e4098-9854 – 12 in\u003cbr\u003e4098-9855 – 24 in\u003cbr\u003e4098-9856 – 49 in\u003cbr\u003e4098-9857 – 73 in\u003cbr\u003e4098-9858 – 97 in\u003c\/p\u003e\n\u003cp\u003eOptional Enclosure:\u003cbr\u003e4098-9845 – Weatherproof duct housing enclosure\u003c\/p\u003e","brand":"FIRE ALARM SYS","offers":[{"title":"Default Title","offer_id":51905433174336,"sku":"4098-9685","price":651.6,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6466\/0032\/files\/4098-9685.png?v=1777496037","url":"https:\/\/firealarmsys.com\/products\/simplex-4098-9685-2-wire-duct-detector","provider":"FIRE ALARM SYS","version":"1.0","type":"link"}